Community Fixes
Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads
Systems
All Issues572Engine162Electrical143Other60Cooling42Body / Interior39Suspension35Transmission28Turbo20Fuel System15Brakes15Exhaust13Sort by:Most DiscussedSystem
Engine9 threads
harmonic balancer replacement needed
Harmonic Balance Bolt BROKE!!!Crankshaft pulley removal..1986.5 MK3 Supra "Harmonic Balancer/Damper"+ 6 more threads
Other9 threads
ride quality suffers with non-factory sized tires
Tires in 2021Tire advice requested on getting a less bumpy rideHelp me chose my next tires+ 6 more threads
Cooling9 threads
stock radiator shroud mounting holes
Stock mechanical fan shroud size?need some help with pulling the head-Fluidyne Rad : Stock Shroud?+ 6 more threads
Cooling9 threads
cracked idle control valve hose
Idle Control Valve Hoses discontinuedHigh pressure hose from Pump to Rack?Just got my new Hose Techniques Silicone hoses- PICS!+ 6 more threads
Cooling9 threads
broken electrical wire at thermostat housing
BVSV BrokenRemove Thermostat Housingwhere is the thermostat located???+ 6 more threads
Engine9 threads
valve shims needed
Valve shimsWhere to buy OEM or aftermarket Valve Shims?Help! Ferrea Valve Spring Retainers+ 6 more threads
Other9 threads
difficulty removing aftermarket fastener
omg ... please help me take my bumper offFender Is Killing MeAny tips on DS removal?+ 6 more threads
Exhaust8 threads
seeking downpipe replacement options
Downpipe optionsturbo heat shield and downpipeFront exhaust pipe has holes- should I weld+ 5 more threads
Transmission8 threads
rear differential seized solid
how rare is..Differential question...... LSDHelical diff?+ 5 more threads
Electrical8 threads
coil pack plug pin pulled out
Rebuilding wiring harnessWiring Harness help plz!!seemingly unique code 14+ 5 more threads
Electrical8 threads
multiple gauges failing to read any data
guage cluster issuegauge questiondealership found problems+ 5 more threads
Electrical8 threads
difficulty removing interior light fixture
My Tail LightsJust some questionsHow to remove cover over maplights?+ 5 more threads
Electrical8 threads
blower resistor coil failure in climate module
Need Help Blower Motor Failed And Its Getting Cold Fast!!Injector resistor removal questionHow to fix the blower Fan Resistor Pack+ 5 more threads
Electrical8 threads
blinking climate control indicator lights
no gauge lights or climate control lightsClimate ControlsClimate Control Questions?+ 5 more threads
Electrical8 threads
missing fusible link at battery terminal
Few probs help!!Is there supposed to be a fusible link at the positive terminal?Am I dumb for not being able to find an ALT fuse online or in stores??+ 5 more threads
Electrical8 threads
location of engine control unit
ecu locationecu locationelectrical help needed+ 5 more threads
Electrical8 threads
loss of power and no start
Washed engine drowned Plugs now deadim desperate, help guysCar wont start+ 5 more threads
Suspension8 threads
difficulty removing lower ball joint
Lower ball joint helphow the @%#% do you take out of lower ball joint?need lower ball joints+ 5 more threads
Suspension8 threads
vibration felt during acceleration
I can switch lanes by using my gas pedal...WTF?Strange vibration on acceleration. Where do i start?Car pulls to the right @ acceleration.+ 5 more threads
Suspension8 threads
funny noise coming from wheel area
HELP ME! It's still rattling, and I'm scared to drive it.Weird Sound coming from front right wheel area.Steering+ 5 more threads